Phylum Chordata Bateson, 1885 - chordates Count: - Subphylum Vertebrata Cuvier, 1812 - vertebrates Count: - Class Chondrichthyes Huxley, 1880 - cartilaginous fishes Count: - Order Carcharhiniformes Compagno, 1973 - ground sharks Count: - Family Carcharhinidae Jordan & Evermann, 1896 - requiem sharks Count: [*] 5g16s Genus Rhizoprionodon Whitley, 1929 Count: - Rhizoprionodon acutus (Rüppell, 1837) - grey dog shark Count: -